package chapter02;

public class Example30 {
    public static void main(String[] args) {
        int[][]arr=new int[3][];
        arr[0]=new int[]{11,12};
        arr[1]=new int[]{21,22,23};
        arr[2]=new int[]{31,32,33,34};
        int sum = 0;
        for (int i = 0; i < arr.length; i++) {
            int groupSum = 0;
            for (int j = 0; j < arr[i].length; j++) {
                groupSum = groupSum + arr[i][j];
            }
            sum = sum + groupSum;
            System.out.println("第"+(i+1) + "小组销售额为:"+groupSum+"万元.");
        }
        System.out.println("总销售额为:" + sum+"万元");
    }
}
